There is pass interference which is when one player hits or mess the thrower when he is in the motion of throwing the football. There is unsportsman like conduct which is when the player is like yelling at the other players or showing of. there is over celebration when basicly the whole team gets all wind up slabbing each other hugging each you get the point. There is roughing the passer when they are jumping the pass. there is roughing the kicker which can hurt the kicker because he don't have as much of padding as all the other players because he has to be able to move his leg and kick. that is all i know for know
horse collar off sides false start
Penalties ensure that players (and sometimes coaches) have a clean and safe football game.
Too many to list, but check this out: http://en.wikipedia.org/wiki/Penalty_(American_football)
3rd
Holding and False Start
2
18 penalties
Peter lorimer
none you just have to know the rules of football and the hand signals of the penalties
William Patterson for dundee united
Dallas cowboys
Portugal on penalties.